作为一种电极材料或电极修饰材料,PEDOT:PSS薄膜常用于有机光电器件领域的应用研究.然而,较低的电导率(≤0.8S/cm)与酸性(pH=1.5～2.5)已成为限制PEODT:PSS薄膜在上述领域进一步应用的瓶颈,因此,PEDOT:PSS薄膜性能优化正在成为一个新的研究热点.文中综述了近年来PEDOT:PSS薄膜性能优化研究的新进展,着重论述了有机物掺杂、无机物掺杂、热处理、紫外/臭氧处理、氧等离子体处理以及外加电场等多种方式对PEDOT:PSS薄膜电/光性能的优化效果及相关机理研究.同时,文章对PEDOT:PSS薄膜性能优化研究工作中存在的焦点问题亦进行了客观分析与评价,并探讨了未来研究重点.
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